CN209671267U - A kind of axial-flow pump impeller with self-locking function - Google Patents
A kind of axial-flow pump impeller with self-locking function Download PDFInfo
- Publication number
- CN209671267U CN209671267U CN201920355842.7U CN201920355842U CN209671267U CN 209671267 U CN209671267 U CN 209671267U CN 201920355842 U CN201920355842 U CN 201920355842U CN 209671267 U CN209671267 U CN 209671267U
- Authority
- CN
- China
- Prior art keywords
- rotor
- taper
- mounting groove
- blade
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of axial-flow pump impeller with self-locking function, belong to hydraulic engineering technical field, it is connected and is formed with blade by rotor in structure, rotor surface is equipped with mounting groove, blade profile is equipped with taper, being fastenedly connected between rotor and blade is realized by taper and mounting groove, with traditional blade compared with rotor connection structure, mounting groove all has pre-small post-large feature with taper on blade on the utility model rotor, the installation of blade body and rotor uses heat expansion method, rotor is heated in the oil after the mounting groove on rotor swells, it is taken out from oil, it is inserted into taper on blade body, achieve the effect that interference after cooling, when impeller work, in mounting groove on blade on taper wedging rotor, mounting groove on blade on taper and rotor is interference fit, taper wedging direction is opposite with the direction of rotation of rotor on blade, can have Effect prevents from loosening, and has reliable self-locking function, can effectively ensure that the normal operation of pump machine.
Description
Technical field
The utility model belongs to hydraulic engineering technical field, is related to axial-flow pump impeller structure, has more particularly to one kind
The axial-flow pump impeller of self-locking function.
Background technique
Axial-flow pump is the important pump kind applied in hydraulic engineering, and axial-flow pump is different from other pump working principles, it is main
It is thrust water lift caused by the high speed rotation using blade, currently, axial flow pump blade inner is installed on rotor mostly using welding
It can cause deformable blade with the high temperature of the method for bolt fastening, both methods all existing defects, welding, influence precision, and weld
The quality connect will have a direct impact on use in the future；Bolt fastening reliability under complex working condition cannot also ensure, and spiral shell
The matrix of bolt fastening has the appearance of flow-disturbing in the use of impeller, influences the water lift effect of pump machine.
Utility model content
The purpose of this utility model is to install that there are obvious shortcomings to the method for rotor for traditional water pump blade, proposes one
Kind has the axial-flow pump impeller of self-locking function, while guaranteeing that water pump blade high-precision high-reliability requires, further mentions
The reliability of high blade installation, guarantees that water pump better and safer is effectively run.
The technical solution of the utility model is: a kind of axial-flow pump impeller with self-locking function, it is characterised in that: described
Impeller is connected with blade body by rotor and is formed, and the center of the rotor is equipped with axis hole, is laid on the outer round surface of rotor
The groove width of several mounting grooves, the mounting groove becomes narrow gradually from insertion end to end is stopped, and sets on the section of the blade body
There is taper, the blade body is fastenedly connected by taper and rotor formation, and end caps, institute are connected on the end face of rotor
It states end caps center and is equipped with axis hole, be laid with several bolt through-holes and reed, the reed card on the excircle of axis hole
It is connected in mounting groove and is connected at the top of taper.
The rotor is in up big and down small circular cone structure.
The mounting groove that the mounting groove is vertically connected by translot and vertical slot, the quantity of mounting groove are no less than 5, the slot of translot
Width becomes narrow gradually from insertion end to end is stopped, and the groove width of vertical slot is from insertion end to the stopping wide setting in end.
The length for being shorter in length than mounting groove of the taper, taper form being fastenedly connected for wedge-shaped grafting with mounting groove.
The wedging direction of the taper and the direction of rotation of rotor are reversed, and taper angle is not more than 15 °.
The reed is semicircle chip architecture, and quantity and the position and mounting groove of reed match, and reed and end caps weld
It connects in succession.
The diameter of the end caps is identical as rotor outside diameter, and bolt passes through bolt through-hole and rotor on end caps
Threaded hole on end face is connected.
The utility model has the following beneficial effects: a kind of axial-flow pump leaf with self-locking function provided by the utility model
Wheel, structure are connected with blade by rotor and are formed, and rotor surface is equipped with mounting groove, and blade profile is equipped with taper, passes through taper
Being fastenedly connected between rotor and blade is realized with mounting groove, and with traditional blade compared with rotor connection structure, this is practical new
Mounting groove on type blade on taper and rotor, which is formed, to be interference fitted, and taper wedges the direction of rotation in direction and rotor on blade
On the contrary, can effectively prevent loosening, there is reliable self-locking function.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is taper, reed and mounting groove partial structural diagram in the utility model.
Fig. 3 is rotor and blade installation structure schematic diagram in the utility model.
Fig. 4 is rotor structure schematic diagram in the utility model.
Fig. 5 is end caps structural schematic diagram in the utility model.
Fig. 6 is blade partial structural diagram in the utility model.
Fig. 7 is taper structural schematic diagram in the utility model.
In figure: rotor 1, end caps 2, blade body 3, bolt through-hole 4, reed 5, threaded hole 6, axis hole 7, mounting groove 8,
Taper 9.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in figs. 1-7, a kind of axial-flow pump impeller with self-locking function, impeller are connected by rotor 1 and blade body 3
Composition, the center of rotor 1 are equipped with axis hole 7, are laid with several mounting grooves 8, the slot of mounting groove 8 on the outer round surface of rotor 1
Width becomes narrow gradually from insertion end to end is stopped, and the section of blade body 3 is equipped with taper 9, and blade body 3 is by taper 9 and turns
Son 1 is formed and is fastenedly connected, and is connected with end caps 2 on the end face of rotor 1, and 2 center of end caps is equipped with axis hole, axis hole it is outer
Be laid with several bolt through-holes 4 and reed 5 on circumference, in the clamping to mounting groove 8 of reed 5 and with the company of contact at the top of taper 9
It connects.
As shown in figs. 1-7, a kind of axial-flow pump impeller with self-locking function, rotor 1 are in up big and down small frustum of a cone knot
Structure；The mounting groove that mounting groove 8 is vertically connected by translot and vertical slot, the quantity of mounting groove 8 are no less than 5, and the groove width of translot is from inserting
Enter end and become narrow gradually to end is stopped, the groove width of vertical slot is from insertion end to the stopping wide setting in end；Taper 9 is shorter in length than mounting groove
8 length, taper 9 form being fastenedly connected for wedge-shaped grafting with mounting groove 8；The direction of rotation in the wedging direction and rotor 1 of taper 9
It is reversed, taper angle is not more than 15 °；Reed 5 is semicircle chip architecture, and quantity and the position and mounting groove 8 of reed 5 match,
Reed 5 and end caps 2 are welded to connect；The diameter of end caps 2 is identical as 1 outside diameter of rotor, and bolt passes through end caps
Upper bolt through-hole 4 is connected with the threaded hole 6 on rotor end-face.
As shown in figs. 1-7, a kind of installation of axial-flow pump impeller with self-locking function and working principle are as follows: rotor 1
On have circumference array arrange mounting groove 8, mounting groove have key groove, the installation position of blade body 3 is equipped with taper 9, end face lid
The mounting groove 8 that plate 2 is welded with circumference array arrangement on anti-loosening reed 5,5 position of reed and quantity and rotor corresponds,
The installation of blade body 3 and rotor 1 uses heat expansion method, and rotor 1 is heated in the oil after the mounting groove on rotor 1 swells, from oil
Middle taking-up is inserted into taper 9 on blade body 3, achievees the effect that interference after cooling, on blade body the wedging direction of taper 9 with
The direction of rotation of rotor 1 is opposite.When impeller work, taper 9 is wedged in the mounting groove 8 on rotor 1 on blade, wedge on blade
Mounting groove 8 on pin 9 and rotor 1 is interference fit, and mounting groove 8 all has wedge-shaped corner characteristics with taper 9 on blade on rotor, and
Taper 9 wedges the direction of rotation in direction and rotor 1 on the contrary, can effectively prevent loosening on blade, has reliable self-locking function,
It can effectively ensure that the normal operation of pump machine.
Claims (7)
1. a kind of axial-flow pump impeller with self-locking function, it is characterised in that: the impeller is by rotor (1) and blade body
(3) center of connection composition, the rotor (1) is equipped with axis hole (7), is laid with several peaces on the outer round surface of rotor (1)
The groove width of tankage (8), the mounting groove (8) becomes narrow gradually from insertion end to end is stopped, and sets on the section of the blade body (3)
Have taper (9), the blade body (3) is formed with rotor (1) by taper (9) and is fastenedly connected, and is connected on the end face of rotor (1)
Equipped with end caps (2), end caps (2) center is equipped with axis hole, is laid with several bolts on the excircle of axis hole
Via hole (4) and reed (5), reed (5) clamping is interior to mounting groove (8) and connects at the top of taper (9).
2. a kind of axial-flow pump impeller with self-locking function according to claim 1, it is characterised in that: the rotor
It (1) is in up big and down small circular cone structure.
3. a kind of axial-flow pump impeller with self-locking function according to claim 1, it is characterised in that: the mounting groove
(8) T-slot being vertically connected by translot and vertical slot, the quantity of mounting groove (8) are no less than 5, the groove width of translot from insertion end to
Stop end becoming narrow gradually, the groove width of vertical slot is from insertion end to the stopping wide setting in end.
4. a kind of axial-flow pump impeller with self-locking function according to claim 1, it is characterised in that: the taper
(9) the length for being shorter in length than mounting groove (8), taper (9) form being fastenedly connected for wedge-shaped grafting with mounting groove (8).
5. a kind of axial-flow pump impeller with self-locking function according to claim 1, it is characterised in that: the taper
(9) wedging direction and the direction of rotation of rotor (1) are reversed, and taper angle is not more than 15 °.
6. a kind of axial-flow pump impeller with self-locking function according to claim 1, it is characterised in that: the reed
It (5) is semicircle chip architecture, quantity and the position and mounting groove (8) of reed (5) match, and reed (5) and end caps (2) are welded
Connection.
7. a kind of axial-flow pump impeller with self-locking function according to claim 1, it is characterised in that: the end face lid
The diameter of plate (2) is identical as rotor (1) outside diameter, and bolt passes through on end caps on bolt through-hole (4) and rotor end-face
Threaded hole (6) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355842.7U CN209671267U (en) | 2019-03-20 | 2019-03-20 | A kind of axial-flow pump impeller with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355842.7U CN209671267U (en) | 2019-03-20 | 2019-03-20 | A kind of axial-flow pump impeller with self-locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671267U true CN209671267U (en) | 2019-11-22 |
Family
ID=68572200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920355842.7U Active CN209671267U (en) | 2019-03-20 | 2019-03-20 | A kind of axial-flow pump impeller with self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209671267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508141A (en) * | 2020-04-17 | 2020-08-07 | 上海工程技术大学 | Integrated machine for selling and recovering masks |
-
2019
- 2019-03-20 CN CN201920355842.7U patent/CN209671267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508141A (en) * | 2020-04-17 | 2020-08-07 | 上海工程技术大学 | Integrated machine for selling and recovering masks |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209671267U (en) | A kind of axial-flow pump impeller with self-locking function | |
| CN200989362Y (en) | Multistage push-tow linkage fastener | |
| CN104405575B (en) | Improved hydraulic motor and assembly test method thereof | |
| CN207999427U (en) | A kind of anti-loose structure of fast cylinder locking nut | |
| CN209959668U (en) | Bolt for connecting gas compressor rotor and turbine shaft of gas turbine | |
| CN105626395B (en) | A kind of combined wind-power wind wheel lock collar | |
| CN214145583U (en) | Self-tightening type locking device for last blade of steam turbine rotor | |
| CN107268542B (en) | Hydraulic pressure dam coverage structure | |
| CN206655907U (en) | Anti- Transient deformation layer-stepping water lubrication thrust bearing shoe valve | |
| CN205154074U (en) | Rotoblast head structure | |
| CN209583476U (en) | A kind of tower crane trolley Steel wire rope lock rope device | |
| CN209025647U (en) | The fast quick-detach resistance to compression grouting device of two fluid grouting in a kind of surface drilling | |
| CN207880066U (en) | plug locking device | |
| CN113482560A (en) | Novel double-valve type continuous circulating valve with clamping device | |
| CN201442081U (en) | Device for centrifugally molding bearing alloy | |
| CN211397500U (en) | Steel wire rope connecting rope cap | |
| CN201339455Y (en) | Maintenance convenient bottom valve used for mud purification system | |
| CN218563807U (en) | Fan foundation and tower section of thick bamboo connecting means | |
| CN109372469A (en) | The fast quick-detach resistance to compression grouting device of two fluid grouting in a kind of surface drilling | |
| CN216342542U (en) | Bulb tubular turbine generator set runner chamber adjusting device | |
| CN217950996U (en) | High-strength thrust joint bearing structure | |
| CN220416421U (en) | Mechanical lock spindle structure for overhauling water inlet ball valve | |
| CN204200468U (en) | Improved hydraulic motor | |
| CN219242276U (en) | Mechanical seal of make-up water pump | |
| CN219074357U (en) | Continuous casting bale machinery hand base device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |